Seiko Cal. 6386 - 140

The Seiko 6386-140 represents an important milestone in Seiko's 1970 lineup. Powered by the 6386 caliber with 32j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-b18d426006d6]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1970

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